<!DOCTYPE html>

<link rel="stylesheet" href="/fonts/ahem.css">

<style>
  :root {
    font-family: Ahem;
    font-size: 16px;
  }
</style>

<p style="font-family: sans-serif">The following two lines should look exactly the same.</p>

<div style="font-size: 1cap;">
  <div style="font-family: sans-serif;">
    Text.
  </div>

  <div style="font-family: sans-serif;">
    Text.
  </div>
</div>
